Table of Contents
Advertisement
(5) Turning on the annunciator and processing
(a) Turning on the annunciator
The following instructions can be used.
1) SET F
The SET F
of an input condition.
Even if the input condition turns off, the annunciator is held on.
Using many annunciator numbers can shorten scan time more than using the
2) OUT F
The OUT F
processing is performed for every scan, the scan time is longer than the case of using the SET F
instruction.
In addition, execution of the RST F , LEDR, or BKRST instruction is required after the annunciator is turned
off with the OUT F
Therefore, use of the SET F
If the annunciator is turned on with any instruction than SET F
operation as the internal relay (M) is performed.
The ON information is not stored in SM62, and annunciator numbers are not stored in SD62 and SD64 to SD79.
(b) Processing after annunciator on
1) Data stored in the special register (SD62 to SD79)
• Turned-on annunciator numbers are stored in SD64 to SD79 in order.
• The annunciator number in SD64 is stored in SD62.
SD63 value is incremented by "1".
•
2) Processing on the CPU
The USER LED on the front side turns on (red).
3) On/off setting for the LED
Whether to turn on the USER.LED or not when the annunciator is turned on can be set in the LED indication
setting. (
9 - 12
instruction
instruction can be used to turn on the annunciator only on the leading edge (off to on)
instruction
instruction can be also used to turn on or off the annunciator
instruction.
instruction is recommended.
SET F50
SET F25 SET F1023
SD62
0
50
SD63
0
1
SD64
0
50
SD65
0
0
SD66
0
0
SD67
0
0
SD79
0
0
Figure 9.12 Processing after annunciator ON
Section 6.21.2).
and OUT F
50
50
2
3
50
50
25
25
0
1023
Up to 16 annunciator
0
0
numbers can be stored.
0
0
OUT F
. However, since the
(for example, the MOV instruction), the same
instruction.
Advertisement
Table of Contents
